The Shaft,shouldered, cataloged under National Stock Number 3040-00-169-0723, is classified within Federal Supply Class 3040 (Miscellaneous Power Transmission Equipment) of the Mechanical Power Transmission Equipment group. Government technical data includes 19 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3040-00-169-0723 |
| Item Name | Shaft,shouldered |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Status | ACTIVE |
| Surface Finish | 125.0 MICROINCHES |
| Second End External Thread Length | 1.100 INCHES NOMINAL IN |
| Step Quantity | 5 |
| First End Diameter | 0.3125 INCHES NOMINAL IN |
| Second End Diameter | 0.5000 INCHES NOMINAL IN |
| Largest Step Diameter | 0.500 INCHES NOMINAL IN |
| First End External Thread Length | 0.850 INCHES NOMINAL IN |
| First End Style | CIRCULAR GROOVED AND EXTERNALLY THREADED |
| Material Document and Classification | AMS-5643 ASSN STD SINGLE MATERIAL RESPONSE |
| Second End Groove Diameter | 0.4170 INCHES MINIMUM AND 0.4270 INCHES MAXIMUM IN |
| End Similarity | NOT IDENTICAL |
| First End Distance From End to Groove | 0.850 INCHES NOMINAL IN |
| Second End Groove Width | 0.1500 INCHES NOMINAL IN |
| Second End Distance From End to Groove | 1.100 INCHES NOMINAL IN |
| First End Groove Diameter | 0.2310 INCHES MINIMUM AND 0.2410 INCHES MAXIMUM IN |
| Second End Style | CIRCULAR GROOVED FLAT KEYWAY AND EXTERNALLY THREADED |
| Material | STEEL COMP 17-4PH |
| First End Groove Width | 0.1500 INCHES NOMINAL IN |
| External Keyway Length | 1.750 INCHES NOMINAL SECOND END IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL Q — CCL Item — Commerce Control List |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| 4N21727-101A | 3/2 Design control — primary reference U.S. Government activity |
NSN 3040-00-169-0723 is a Shaft,shouldered, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
Key specifications for 3040-00-169-0723: Surface Finish: 125.0 MICROINCHES; Second End External Thread Length: 1.100 INCHES NOMINAL IN; Step Quantity: 5; First End Diameter: 0.3125 INCHES NOMINAL IN. 19 specifications are documented in the U.S. Government catalog.
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
NSN 3040-00-169-0723 has DEMIL Code Q. Demilitarization may be required before disposal or transfer to non-military entities.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.